/* ===================================================================
   TravFlow — feuille de style
   Thème teal ; page de connexion fidèle à la maquette ; app responsive.
   =================================================================== */
:root{
    --brand:#15b6c9; --brand-d:#119aab; --brand-soft:#e7f6f8;
    --navy:#0f2733; --navy-2:#163b49;
    --ink:#13323b; --muted:#6b7b82; --line:#e6edef; --bg:#f4f7f8;
    --ok:#1f9d57; --ok-soft:#e7f7ee; --warn:#c98a16; --warn-soft:#fcf3e2;
    --bad:#c5483f; --bad-soft:#fdecea;
    --radius:16px; --shadow:0 10px 30px rgba(15,39,51,.08);
    --sidebar-w:252px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;overflow-x:hidden;max-width:100%;position:relative}
*{ -webkit-tap-highlight-color:transparent }
body{font-family:"Segoe UI",system-ui,-apple-system,Tahoma,"Noto Sans Arabic",sans-serif;
    background:var(--bg);color:var(--ink);font-size:15px;line-height:1.5;-webkit-text-size-adjust:100%}
a{color:inherit}
h1,h2,h3{margin:0}

/* ============ PAGE DE CONNEXION (maquette) ============ */
.tf-login{
    min-height:100vh;width:100%;
    background:
        radial-gradient(1200px 600px at 50% -10%, rgba(22,182,201,.18), transparent 60%),
        linear-gradient(160deg,#0c2330 0%,#103240 45%,#0e2c39 100%);
    display:flex;align-items:flex-start;justify-content:center;
}
.tf-inner{width:100%;max-width:1440px;padding:26px 24px 32px}
.tf-logo{display:flex;align-items:center;justify-content:center;gap:14px;margin:6px 0 26px}
.tf-logo-mark{width:46px;height:46px;flex:none}
.tf-logo-text{display:flex;align-items:center;gap:12px}
.tf-logo-text b{font-size:30px;font-weight:800;letter-spacing:1px;color:#fff;line-height:1}
.tf-logo-text b span{color:var(--brand)}
.tf-logo-text i{font-style:normal;font-size:22px;font-weight:700;color:var(--brand)}

.tf-grid{display:grid;grid-template-columns:1fr minmax(360px,420px) 1fr;gap:24px;align-items:start}
.tf-side{display:flex;flex-direction:column;gap:20px}
.tf-group-title{color:#eaf6f8;font-size:15px;font-weight:700;margin-bottom:10px;text-align:center;
    text-shadow:0 1px 6px rgba(0,0,0,.3)}
.tf-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.tf-feat{background:#fff;border-radius:14px;padding:13px 8px;display:flex;flex-direction:column;
    align-items:center;gap:9px;text-align:center;box-shadow:0 8px 20px rgba(0,0,0,.16);min-height:92px;justify-content:center}
.tf-feat-ico{color:var(--brand);display:flex;align-items:center;justify-content:center}
.tf-feat-ico svg{width:30px;height:30px}
.tf-feat-label{font-size:12px;font-weight:600;color:#22404a;line-height:1.3}

/* carte de connexion */
.tf-center{display:flex;justify-content:center}
.tf-card{background:#fff;border-radius:20px;padding:32px 30px;width:100%;max-width:420px;
    box-shadow:0 30px 80px rgba(0,0,0,.4)}
.tf-card-title{font-size:23px;font-weight:800;color:#10303b;text-align:center;margin-bottom:6px}
.tf-card-sub{font-size:13px;color:#7c8b91;text-align:center;margin-bottom:24px}
.tf-input{display:flex;align-items:center;gap:8px;background:#f2f7f8;border:1px solid #e2eaec;
    border-radius:12px;padding:0 14px;margin-bottom:13px;transition:border-color .15s,background .15s}
.tf-input:focus-within{border-color:var(--brand);background:#fff}
.tf-input input{flex:1;min-width:0;border:0;background:transparent;padding:13px 2px;font-size:15px;color:#0f2733;outline:none;font-family:inherit}
.tf-input-ico{color:#9fb3ba;display:flex}.tf-input-ico svg{width:20px;height:20px}
.tf-eye{border:0;background:transparent;color:#9fb3ba;cursor:pointer;padding:4px;display:flex}
.tf-eye svg{width:20px;height:20px}
.tf-remember{display:flex;align-items:center;gap:8px;font-size:14px;color:#5e6e75;margin:2px 0 16px;cursor:pointer}
.tf-remember input{width:16px;height:16px;accent-color:var(--brand)}
.tf-submit{width:100%;background:var(--brand);color:#fff;border:0;border-radius:12px;padding:14px;
    font-size:16px;font-weight:700;cursor:pointer;font-family:inherit;transition:background .15s}
.tf-submit:hover{background:var(--brand-d)}
.tf-forgot{display:block;text-align:center;margin-top:16px;color:var(--brand);text-decoration:none;font-size:14px}
.tf-forgot:hover{text-decoration:underline}
.tf-alert{background:var(--bad-soft);border:1px solid #f3c4c4;color:#b42323;padding:10px 12px;
    border-radius:10px;margin-bottom:14px;font-size:14px;text-align:center}
.tf-footer{text-align:center;color:#9fb8bf;font-size:12px;margin-top:26px}

@media (max-width:980px){
    .tf-grid{grid-template-columns:1fr;gap:22px}
    .tf-center{order:-1}
    .tf-cards{grid-template-columns:repeat(auto-fill,minmax(92px,1fr))}
    .tf-logo-text b{font-size:26px}.tf-logo-text i{font-size:19px}
    .tf-card{box-shadow:0 16px 50px rgba(0,0,0,.45)}
}

/* ============ COQUE APPLICATIVE ============ */
.app-shell{display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh}
.sidebar{background:#fff;border-inline-end:1px solid var(--line);position:sticky;top:0;height:100vh;overflow-y:auto}
.nav{display:flex;flex-direction:column;padding:14px 12px 24px}
.nav-item{display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:11px;color:#3f5158;
    text-decoration:none;font-weight:600;font-size:14.5px;margin-bottom:2px}
.nav-item:hover{background:#f1f6f7}
.nav-item.active{background:var(--brand-soft);color:var(--brand-d)}
.nav-ico{width:22px;text-align:center;font-size:16px;opacity:.9}
.nav-section{font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;
    color:#9aabb1;margin:16px 13px 7px}
.nav-badge{margin-inline-start:auto;background:var(--brand);color:#fff;border-radius:20px;padding:1px 8px;font-size:12px}

.main{display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;gap:14px;padding:14px 24px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.page-title{font-size:19px;font-weight:700;color:var(--navy)}
.topbar-right{margin-inline-start:auto;display:flex;align-items:center;gap:12px}
.user-chip{display:flex;flex-direction:column;line-height:1.15;text-align:end}
.user-name{font-weight:700;font-size:14px}
.user-role{font-size:12px;color:var(--muted)}
.menu-toggle{display:none;border:0;background:transparent;font-size:22px;cursor:pointer;color:var(--navy)}
.content{padding:24px 26px;max-width:1200px;width:100%}

/* ============ COMPOSANTS ============ */
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:20px;box-shadow:var(--shadow)}
.panel-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.panel-head h2{font-size:17px;font-weight:700;color:var(--navy)}
.panel-head .btn,.panel-head .search-bar{margin-inline-start:auto}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 18px 16px;
    box-shadow:var(--shadow);display:flex;flex-direction:column;gap:8px;position:relative;overflow:hidden}
.stat-card::before{content:"";position:absolute;inset-block-start:0;inset-inline:0;height:3px;background:var(--brand)}
.stat-card.stat-accent::before{background:var(--warn)}
.stat-label{font-size:13px;color:var(--muted)}
.stat-value{font-size:24px;font-weight:800;color:var(--navy)}

.quick-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.quick{display:flex;flex-direction:column;align-items:center;gap:9px;padding:18px 10px;border:1px solid var(--line);
    border-radius:14px;text-decoration:none;color:var(--ink);font-weight:600;font-size:13.5px;text-align:center}
.quick:hover{border-color:var(--brand);background:var(--brand-soft)}
.quick-ico{color:var(--brand)}.quick-ico svg{width:28px;height:28px}

.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:12px 12px;text-align:start;border-bottom:1px solid var(--line);font-size:14px}
.table th{font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);font-weight:700}
.table tbody tr:hover{background:#fafcfc}
.row-actions{display:flex;gap:6px;justify-content:flex-end;flex-wrap:wrap}

.btn{display:inline-flex;align-items:center;gap:7px;padding:10px 16px;border-radius:11px;border:1px solid transparent;
    font-size:14px;font-weight:600;cursor:pointer;text-decoration:none;font-family:inherit;transition:.15s;white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-d)}
.btn-ghost{background:#fff;border-color:var(--line);color:#3f5158}.btn-ghost:hover{border-color:var(--brand);color:var(--brand-d)}
.btn-sm{padding:7px 12px;font-size:13px;border-radius:9px}
.btn-install{padding:8px 13px;font-size:13px}
.btn-remove{background:transparent;border:0;color:var(--bad);cursor:pointer;font-size:13px;font-weight:600;padding:7px 10px;border-radius:9px;font-family:inherit}
.btn-remove:hover{background:var(--bad-soft)}

.badge{display:inline-block;padding:3px 11px;border-radius:20px;font-size:12px;font-weight:700}
.badge-ok2{background:var(--ok-soft);color:var(--ok)}
.badge-pending{background:var(--warn-soft);color:var(--warn)}
.badge-cancel{background:var(--bad-soft);color:var(--bad)}
.tag-soft{display:inline-block;padding:3px 11px;border-radius:8px;background:#eef3f4;color:#46606a;font-size:12.5px;font-weight:600}

.search-bar input{padding:10px 14px;border:1px solid var(--line);border-radius:11px;font-size:14px;min-width:220px;font-family:inherit;outline:none}
.search-bar input:focus{border-color:var(--brand)}

.filter-tabs{display:flex;gap:8px;flex-wrap:wrap}
.tab{padding:8px 14px;border-radius:20px;background:#f1f6f7;color:#52666d;text-decoration:none;font-size:13.5px;font-weight:600}
.tab:hover{background:#e6eff0}
.tab.active{background:var(--brand);color:#fff}

.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.grid2-panels{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field label{font-size:13px;font-weight:600;color:#42565d}
.field input,.field select,.field textarea{padding:11px 12px;border:1px solid var(--line);border-radius:11px;
    font-size:14.5px;font-family:inherit;background:#fff;color:var(--ink);outline:none;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand)}
.form-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:8px}
.check{display:flex;align-items:center;gap:9px;font-size:14px;color:#42565d;margin:6px 0 14px;cursor:pointer}
.check input{width:17px;height:17px;accent-color:var(--brand)}

.inv-meta{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;font-size:14px}
.inv-meta b{color:var(--navy)}
.empty{color:var(--muted);text-align:center;padding:24px 8px}

.alert{padding:13px 16px;border-radius:12px;margin-bottom:16px;font-size:14px}
.alert-ok{background:var(--ok-soft);border:1px solid #bfe6cf;color:#1c7a44}
.alert-error{background:var(--bad-soft);border:1px solid #f3c4c4;color:#b42323}
.alert-update{display:flex;align-items:center;gap:14px;flex-wrap:wrap;background:var(--brand-soft);border:1px solid #bfe6ec;color:#0e6b78}
.alert-update form{margin-inline-start:auto}

.sidebar-backdrop{display:none;position:fixed;inset:0;background:rgba(15,39,51,.45);z-index:40}
.scroll-top{position:fixed;inset-block-end:20px;inset-inline-end:20px;width:46px;height:46px;border-radius:50%;
    border:0;background:var(--brand);color:#fff;font-size:22px;cursor:pointer;box-shadow:0 8px 24px rgba(21,182,201,.45);
    display:none;align-items:center;justify-content:center;z-index:30}
.scroll-top.show{display:flex}

/* ============ RESPONSIVE ============ */
@media (max-width:920px){
    .app-shell{grid-template-columns:1fr;min-height:100vh}
    .sidebar{position:fixed;top:0;bottom:0;left:0;width:280px;height:100vh;z-index:50;
        transform:translateX(-100%);transition:transform .22s ease;box-shadow:0 0 40px rgba(0,0,0,.2);-webkit-overflow-scrolling:touch}
    html[dir="rtl"] .sidebar{left:auto;right:0;transform:translateX(100%)}
    .sidebar.open,html[dir="rtl"] .sidebar.open{transform:translateX(0)}
    .sidebar-backdrop.show{display:block}
    .menu-toggle{display:block}
    .nav{padding-bottom:96px}
    .stats{grid-template-columns:repeat(2,1fr)}
    .grid2,.grid2-panels,.inv-meta{grid-template-columns:1fr}
    .content{padding:16px}
    .page-title{display:none}
    .user-chip{display:none}
    .panel,.stat-card{box-shadow:0 2px 8px rgba(15,39,51,.05)}
    .quick:hover,.stat-card:hover{background:inherit}

    /* tableaux -> cartes */
    .table thead{display:none}
    .table,.table tbody,.table tr,.table td{display:block;width:100%}
    .table tr{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;padding:6px 12px}
    .table td{border:0;display:flex;justify-content:space-between;gap:14px;padding:8px 0;text-align:end}
    .table td::before{content:attr(data-label);font-weight:700;color:var(--muted);font-size:12.5px;text-align:start}
    .row-actions{justify-content:flex-start;padding-top:8px}
    .table td.row-actions::before{display:none}
}
@media (max-width:480px){
    .stats{grid-template-columns:1fr}
    .tf-inner{padding:18px 14px}
}